<template>
    <div class="backTop" @click="backtop"></div>
</template>

<script>
    export default {
        name: "BackTop",
        setup(props, {emit}) {
            return {
                backtop:()=>{
                    emit('bTop');
                }
            }
        }
    }
</script>

<style scoped>
    .backTop {
        width: 40px;
        height: 40px;
        position: fixed;
        bottom: 80px;
        right: 30px;
        z-index: 20;
        box-shadow: 5px 5px 5px #888888;
        border-radius: 50%;
        background: #FCFCFC url('~assets/images/up.png') no-repeat center center;
    }
</style>